roundnetaarhus.dk

📜 Historical scan 2026-09-29 19:35:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

roundnetaarhus.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.20.91 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.20.91	3600s	static.91.20.76.144.clients.your-server.de	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	smtp.google.com	108.177.14.26 108.177.14.27 173.194.73.26 209.85.233.26 209.85.233.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lt-in-f26.1e100.net lt-in-f27.1e100.net lq-in-f26.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1a.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net lq-in-x1b.1e100.net lq-in-f27.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	144.76.20.91
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 43ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 118ms

TXT Record
google-site-verification=PHBxJrWxjyBxLK3C0Ez_VvYS0srseI2hGr1jsHk_cMA
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (roundnetaarhus.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.roundnetaarhus.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 21:39:02

www	144.76.20.91 (AS24940) (address records, no CNAME)
www vs bare domain	Same network roundnetaarhus.dk: 144.76.20.91 (AS24940) www.roundnetaarhus.dk: 144.76.20.91 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

57ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 01:53:10

Field	Value
Registrar	Simply.com A/S
Registered	2024-12-09
Expires	2026-12-08 (49d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

34ms

22ms

AAAA

36ms

TXT

118ms

CAA

34ms

HTTPS

32ms

TLSA

105ms

SOA

0ms

MTA-STS

39ms

DNSSEC

57ms

SRV

43ms

Total

457ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 19:59:11	1768ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:35:34 shown	457ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 09:07:44	534ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 17:51:22	2664ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:49:06	738ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:39:20	1598ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:50:13	1009ms	3 NS 1 A 1 MX	🔒 Secure